/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.apache.hadoop.hbase.io.hfile;

/**
 * Compression related stuff.
 * Copied from hadoop-3315 tfile.
 */
public final class Compression {
	/**
	 * Prevent the instantiation of class.
	 */
	private Compression() {
		super();
	}

	/**
	 * Compression algorithms. The ordinal of these cannot change or else you
	 * risk breaking all existing HFiles out there.  Even the ones that are
	 * not compressed! (They use the NONE algorithm)
	 */
	public static enum Algorithm {
		LZO("lzo"), GZ("gz"),

		NONE("none"), SNAPPY("snappy");

		private final String compressName;

		Algorithm(String name) {
			this.compressName = name;
		}

		public String getName() {
			return compressName;
		}
	}
}
